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after last windows 10 update my pc is very slow. I reset firefox and every 10 seconds i get message' page is slowing your browser.' How do I fix this

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crow7
crow7
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After last windows 10 update my PC got very slow. Takes 5-10 minutes to load Netflix. I also get a message from firefox every 10 seconds saying "A page is slowing your browser. What do you want to do? stop page or wait." when this message comes up the wheel showing the loading stops. How do I get rid of message and make browser faster?

After last windows 10 update my PC got very slow. Takes 5-10 minutes to load Netflix. I also get a message from firefox every 10 seconds saying "A page is slowing your browser. What do you want to do? stop page or wait." when this message comes up the wheel showing the loading stops. How do I get rid of message and make browser faster?

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Happy112
Happy112
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Would you take a look at this article, please, in particular the section :

Letting the script run longer

cor-el
cor-el
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You can check for issues caused by plugins.

  • set plugins to "Ask to Activate" on the about:addons page ("3-bar" menu button or Tools -> Add-ons -> Plugins)
  • plugins are not affected by Firefox Safe Mode

Try to disable multi-process windows in Firefox to see if that has effect.

You can disable multi-process windows in Firefox by setting these prefs to false on the about:config page.

  • browser.tabs.remote.autostart = false
  • browser.tabs.remote.autostart.2 = false

You can open the about:config page: via the location/address bar. You can accept the warning and click "I'll be careful" to continue.